Webster’s 1913 has no entry under this spelling.
Shades of meaning
Fernald has no entry of its own for undefiled; he lists it under perfect, pure.
He lists it without comment; the entries above explain its neighbors.
Synonyms
perfectpureabsoluteaccurateblamelesschasteclassicclassicalcleanclearcompletecompletedconsummatecontinentcorrectentirefaultlessfinishedgenuineguilelessguiltlessholyidealimmaculateincorruptinnocentmererealsheersimplesinlessspotlessstainlesstrueunadulteratedunblemisheduncorruptedunmingledunmixedunpollutedunspottedunstainedunsullieduntainteduntarnisheduprightvirtuous
Antonyms
adulteratedbadblemishedcorruptcorrupteddefaceddefectivedeficientdefileddeformeddirtyfalliblefaultyfilthyfoulgrossimmodestimperfectimpureincompleteindecentindelicateinferiorinsufficientlewdmarredmeagermixedobscenepervertedpollutedpoorruinedscantshortspoiledstainedsulliedtaintedtarnishedunchasteuncleanworthless